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Nozzle inspection method and apparatus

Active Publication Date: 2019-06-20
SUGINO MACHINE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a cleaning apparatus that uses a jet to clean workpieces. The nozzle of the apparatus is kept away from the workpiece during cleaning, making it difficult to determine if it is functioning correctly. To solve this problem, the present invention provides a method to inspect the nozzle by moving it close enough to a stylus of a touch probe to create a contact signal. The method determines if the nozzle is safe for use based on the contact signal. This technology ensures effective cleaning using the nozzle by directly measuring its condition. A nozzle inspection apparatus based on this method is also provided for breakage detection.

Problems solved by technology

The use of a touch probe for measuring a bend or a curve of the nozzle thus cannot ensure effective cleaning.

Method used

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  • Nozzle inspection method and apparatus
  • Nozzle inspection method and apparatus

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Embodiment Construction

[0022]As shown in FIG. 1, an inspection apparatus 10 includes a body 11, a moving unit 14, nozzles 15, a cleaning table 17, a pump 18, a touch probe 23, and a controller 29. The controller 29 includes a receiver 31. The inspection apparatus 10 may also include a turret 13, a dummy workpiece 21, a transmitter 27, and the receiver 31.

[0023]The inspection apparatus 10 is installed in a cleaning device 20. The cleaning device 20 includes the body 11, the turret 13, the moving unit 14, the nozzles 15, the cleaning table 17, the pump 18, and the controller 29. The cleaning device 20 uses a jet 19 produced from each nozzle 15 hitting a workpiece 12 to clean the workpiece 12 or to deburr the workpiece 12. Examples of the cleaning device 20 are described in U.S. Pat. Nos. 9,364,869, 9,393,627, and 9,630,217. The cleaning device 20 may be one of the JCC Series (Sugino Machine Limited).

[0024]The cleaning table 17 is installed in the body 11. The cleaning table 17 may be swingable about a rotat...

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PUM

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Abstract

A method for inspecting a nozzle includes producing a jet from the nozzle, moving the nozzle to cause the jet to approach a stylus of a touch probe, generating a contact signal under a force acting on the stylus, and determining that the jet is appropriate in response to a contact signal received first after the jet has an axis at a distance from the stylus that is equal to or less than a first normal distance calculated from a normal jet shape.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of priority to U.S. Patent Application No. 62 / 599,212, filed on Dec. 15, 2017, the entire contents of which are hereby incorporated by reference.BACKGROUND1. Technical Field[0002]The present invention relates to a nozzle inspection method and a nozzle inspection apparatus.2. Description of the Background[0003]A known inspection method for tools may use a touch probe fixed on a work table that is contacted with a tool to detect any breakage of the tool.BRIEF SUMMARY[0004]A cleaning apparatus for cleaning a workpiece using a jet has its nozzle kept apart from the workpiece during cleaning. The use of a touch probe for measuring a bend or a curve of the nozzle thus cannot ensure effective cleaning. One or more aspects of the present invention are directed to a nozzle inspection method to be used by a cleaning apparatus.[0005]A first aspect of the present invention provides a method for inspecting a nozzle,...

Claims

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Application Information

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IPC IPC(8): G01Q10/04B05B15/555G01Q70/02B08B3/04B08B9/049
CPCG01Q10/045B05B15/555G01Q70/02B08B3/04B08B9/0495G01N35/1004B08B3/02B08B5/02G01B5/008G01B5/20B05B15/16B05B12/004B08B3/024
Inventor HAREMAKI, HIROKI
Owner SUGINO MACHINE
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